package org.sjm.samples.interceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.sjm.samples.model.ExamUserVO;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

public class LonginInterceptor implements HandlerInterceptor {

	@Override
	public void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3)
			throws Exception {
		System.out.println("---------------- LonginInterceptor.afterCompletion() ----------------");
	}
	
	@Override
	public void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3)
			throws Exception {
		System.out.println("---------------- LonginInterceptor.postHandle() ----------------");
	}

	@Override
	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {
		HttpSession session = request.getSession();
		ExamUserVO  examUser = (ExamUserVO) session.getAttribute("examUser");
		if(examUser != null){
			return true;
		}else{
			response.sendRedirect(request.getContextPath() + "/login");
		}
		System.out.println("---------------- LonginInterceptor.preHandle() ----------------");
		return false;
	}

}
